* Fix scikit-learn build with Apple clang
* Update compiler unit tests
* Fix unit tests
* Fix OpenMP dep
* recursive=True no longer necessary
* Add myself as a maintainer
* Specify which versions require OpenMP
* Typo fixes
* LLVM-OpenMP is the correct dependency, no OMPT
* Flake8 fix
* Undo Apple Clang OpenMP flag change, split into a separate PR